Vlad

Create eslint rule for chain execution

2

For [example](https://github.com/metarhia/metasync/pull/137#discussion_r119209427)

Delete unused branches

1

I don't see purpose for those branches now. List of branches which can be deleted: - [ ] find-test - [ ] possible-find-fix - [ ] refactor-flow - [ ]...

Working with GlobalStorage means working with nested objects with deeply nested structures. Haskell solution for that is [lenses](https://github.com/ekmett/lens). There is [rambda-lens](https://github.com/ramda/ramda-lens) implementation for javascript. It's fully functional and so performance...

Projection function

5

Adding projection function which returns only needed fields is neccessary. Analogue: https://docs.mongodb.com/manual/tutorial/project-fields-from-query-results/